Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Ireland to Belfast from €40

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Belfast departing on 23/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Ireland to Belfast

Recent return flight deals from Ireland to Belfast

Enter your travel dates to find the best prices.
Multiple Airlines Logo
21:10 - 10:00
DUB
-
BFS
12h 50m
1 stop
Multiple Airlines Logo
07:30 - 16:00
BFS
-
DUB
8h 30m
1 stop
€85Multiple Airlines
Mon, 20 Jul - Wed, 22 Jul
Multiple Airlines Logo
21:05 - 10:00
ORK
-
BFS
12h 55m
1 stop
Multiple Airlines Logo
08:40 - 20:40
BFS
-
ORK
12h 00m
1 stop
€86Multiple Airlines
Mon, 6 Jul - Mon, 13 Jul
Multiple Airlines Logo
08:30 - 15:20
SNN
-
BFS
6h 50m
1 stop
Multiple Airlines Logo
15:40 - 23:35
BFS
-
SNN
7h 55m
1 stop
€87Multiple Airlines
Thu, 16 Jul - Wed, 22 Jul
Multiple Airlines Logo
21:05 - 10:00
ORK
-
BFS
12h 55m
1 stop
Multiple Airlines Logo
15:40 - 23:55
BFS
-
ORK
8h 15m
1 stop
€87Multiple Airlines
Mon, 6 Jul - Wed, 8 Jul
Multiple Airlines Logo
08:30 - 15:20
SNN
-
BFS
6h 50m
1 stop
Multiple Airlines Logo
15:40 - 23:35
BFS
-
SNN
7h 55m
1 stop
€88Multiple Airlines
Thu, 16 Jul - Wed, 22 Jul
Multiple Airlines Logo
21:05 - 10:00
ORK
-
BFS
12h 55m
1 stop
Multiple Airlines Logo
21:55 - 08:05
BFS
-
ORK
10h 10m
1 stop
€88Multiple Airlines
Mon, 6 Jul - Mon, 13 Jul
Multiple Airlines Logo
07:30 - 15:20
DUB
-
BFS
7h 50m
1 stop
Multiple Airlines Logo
15:40 - 23:25
BFS
-
DUB
7h 45m
1 stop
€88Multiple Airlines
Thu, 9 Jul - Wed, 15 Jul
Multiple Airlines Logo
08:50 - 15:15
SNN
-
BFS
6h 25m
1 stop
Multiple Airlines Logo
07:35 - 15:40
BFS
-
SNN
8h 05m
1 stop
€89Multiple Airlines
Wed, 8 Jul - Tue, 14 Jul
Multiple Airlines Logo
21:05 - 10:00
ORK
-
BFS
12h 55m
1 stop
Multiple Airlines Logo
21:55 - 08:05
BFS
-
ORK
10h 10m
1 stop
€89Multiple Airlines
Mon, 6 Jul - Mon, 13 Jul
Multiple Airlines Logo
07:30 - 15:15
DUB
-
BFS
7h 45m
1 stop
Multiple Airlines Logo
07:30 - 20:45
BFS
-
DUB
13h 15m
1 stop
€89Multiple Airlines
Wed, 1 Jul - Wed, 8 Jul

British Airways flights from Ireland to Belfast

Our best British Airways deals on Ireland to Belfast flight tickets
British Airways
28 Jul
DUB19:30Dublin
13h 30m
1 stop
BHD09:00Belfast City
30 Jul
BHD06:30Belfast City
11h 30m
1 stop
DUB18:00Dublin
€205
British Airways
9 Jul
DUB10:30Dublin
5h 10m
1 stop
BHD15:40Belfast City
15 Jul
BHD18:20Belfast City
13h 25m
1 stop
DUB07:45Dublin
€222
British Airways
9 Jul
DUB08:35Dublin
7h 05m
1 stop
BHD15:40Belfast City
15 Jul
BHD06:30Belfast City
12h 20m
1 stop
DUB18:50Dublin
€223

Aer Lingus flights from Ireland to Belfast

Our best Aer Lingus deals on Ireland to Belfast flight tickets
Aer Lingus
9 Jul
DUB11:00Dublin
6h 20m
1 stop
BHD17:20Belfast City
15 Jul
BHD07:00Belfast City
15h 05m
1 stop
DUB22:05Dublin
€251
Aer Lingus
16 Jul
DUB07:30Dublin
6h 20m
1 stop
BHD13:50Belfast City
23 Jul
BHD11:05Belfast City
11h 00m
1 stop
DUB22:05Dublin
€251
Aer Lingus
9 Jul
DUB09:55Dublin
7h 25m
1 stop
BHD17:20Belfast City
15 Jul
BHD07:00Belfast City
15h 05m
1 stop
DUB22:05Dublin
€286

momondo Fare Finder

 
Customise your flight search to find flights from Ireland to Belfast that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 13,528 searches. Data last updated 4 June 2026.
Use the filters below to find and compare flights from Ireland to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 20/7

21:10-10:00

1 stop12h 50m

Belfast Intl

Wed 22/7

07:30-16:00

1 stop8h 30m

€85

CorkBelfast

ORK - BFS

ORKBFS

Cork

Mon 6/7

21:05-10:00

1 stop12h 55m

Belfast Intl

Mon 13/7

08:40-20:40

1 stop12h 00m

€86

ShannonBelfast

SNN - BFS

SNNBFS

Shannon

Thu 16/7

08:30-15:20

1 stop6h 50m

Belfast Intl

Wed 22/7

15:40-23:35

1 stop7h 55m

€87

CorkBelfast

ORK - BFS

ORKBFS

Cork

Mon 6/7

21:05-10:00

1 stop12h 55m

Belfast Intl

Wed 8/7

15:40-23:55

1 stop8h 15m

€87

ShannonBelfast

SNN - BFS

SNNBFS

Shannon

Thu 16/7

08:30-15:20

1 stop6h 50m

Belfast Intl

Wed 22/7

15:40-23:35

1 stop7h 55m

€88

CorkBelfast

ORK - BFS

ORKBFS

Cork

Mon 6/7

21:05-10:00

1 stop12h 55m

Belfast Intl

Mon 13/7

21:55-08:05

1 stop10h 10m

€88

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 9/7

07:30-15:20

1 stop7h 50m

Belfast Intl

Wed 15/7

15:40-23:25

1 stop7h 45m

€88
Fastest return journey

ShannonBelfast

SNN - BFS

SNNBFS

Shannon

Wed 8/7

08:50-15:15

1 stop6h 25m

Belfast Intl

Tue 14/7

07:35-15:40

1 stop8h 05m

€89

CorkBelfast

ORK - BFS

ORKBFS

Cork

Mon 6/7

21:05-10:00

1 stop12h 55m

Belfast Intl

Mon 13/7

21:55-08:05

1 stop10h 10m

€89

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Wed 1/7

07:30-15:15

1 stop7h 45m

Belfast Intl

Wed 8/7

07:30-20:45

1 stop13h 15m

€89

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Belfast from

How to get the cheapest flight ticket from Ireland to Belfast

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Ireland to Belfast?

British Airways is the most popular carrier operating from Ireland to Belfast

Cheap Ireland to Belfast flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to Belfast

Fastest flight time

3h 15m

Direct flights

None
The fastest flight from Ireland to Belfast takes 3h 15m
There are no direct flights from Ireland to Belfast. There are no popular flight routes from Ireland to Belfast.
Search flight deals

Frequently asked questions about flying from Ireland to Belfast

  • When did momondo last update prices for flights from Ireland to Belfast?

    Prices for flights from Ireland to Belfast are refreshed on a daily basis.

  • How old do you have to be to fly from Ireland to Belfast?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ireland to Belfast.

  • What documentation or ID do you need to fly to Belfast?

    The required travel and health documents for your Belfast trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Belfast. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Ireland to Belfast?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ireland to Belfast . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ireland to Belfast with flexible booking policies on momondo?

Yes. All flights to Belfast from Ireland on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Ireland to Belfast?

Once all potential Ireland to Belfast flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Ireland to Belfast right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ireland to Belfast now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Belfast and let you know when they change.

An easier way to manage your Belfast trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 4/7
Sat 11/7
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Airports listed have a maximum distance of 19.6 km from Belfast
Belfast Intl Airport
Belfast City Airport